package cn.layfolk.nio;

import java.nio.ByteBuffer;

/**
 * @Author 王津
 * @Date 2020/9/23
 * @Version 1.0
 */
public class _06ReadOnlyBuffer {



    public static void main(String[] args) {
        //创建一个buffer
        ByteBuffer buffer = ByteBuffer.allocate(64);

        for(int i = 0;i < 64 ; i++){
            buffer.put((byte) i);
        }

        //读取
        buffer.flip();

        //得到一个只读的Buffer
        ByteBuffer readOnlyBuffer = buffer.asReadOnlyBuffer();
        System.out.println(readOnlyBuffer.getClass());

        //读取
        while (readOnlyBuffer.hasRemaining()){
            System.out.println(readOnlyBuffer.get());
        }

        readOnlyBuffer.put((byte) 100); //
    }

}
